Digchip : Database on electronics components
Electronic components database
Search:                      In section:
Member, Distributor  
Log In
Email:
Password:

Details, datasheet, quote on part number:1SMA8.5AT3
 
 
Part:1SMA8.5AT3
Category:Discrete => TVS (Transient Transient Voltage Suppressors)
Description:Zener Sma Transient Voltage Suppressor 400W 8.5V TR, Package: Sma, Pins=2
Company:ON Semiconductor
Datasheet:Download 1SMA8.5AT3 datasheet   File size : 56 kB
Request For quote:  Find where to buy 1SMA8.5AT3
 



Datasheet text preview:
1SMA5.0AT3 Series
400 Watt Peak Power Zener Transient Voltage Suppressors
Unidirectional*
T h e SMA series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time. The SMA series is supplied in ON Semiconductor's exclusive, cost-effective, highly reliable Surmetict package and is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications.
Specification Features: http://onsemi.com

PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 5.0­78 VOLTS 400 WATTS PEAK POWER

· · · · · · · ·

Working Peak Reverse Voltage Range ­ 5.0 V to 78 V Standard Zener Breakdown Voltage Range ­ 6.7 V to 91.25 V Peak Power ­ 400 Watts @ 1 ms ESD Rating of Class 3 (> 16 KV) per Human Body Model Response Time is Typically < 1 ns Flat Handling Surface for Accurate Placement Package Design for Top Slide or Bottom Circuit Board Mounting Low Profile Package

CATHODE

ANODE

Mechanical Characteristics: CASE: Void-free, transfer-molded plastic FINISH: All external surfaces are corrosion resistant and leads are

SMA CASE 403B PLASTIC

readily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:

MARKING DIAGRAM

260°C for 10 Seconds
POLARITY: Cathode indicated by molded polarity notch or polarity

band
MOUNTING POSITION: Any
xx

xx LLYWW

MAXIMUM RATINGS
Please See the Table on the Following Page

LL Y WW

= Specific Device Code = (See Table on Page 3) = Assembly Location = Year = Work Week

ORDERING INFORMATION
Device { 1SMAxxAT3 Package SMA Shipping 5000/Tape & Reel

*Please see 1SMA10CAT3 to 1SMA78CAT3 for Bidirectional devices. The "T3" suffix refers to a 13 inch reel.

© Semiconductor Components Industries, LLC, 2002

1

April, 2002 ­ Rev. 5

Publication Order Number: 1SMA5.0AT3/D

1SMA5.0AT3 Series
MAXIMUM RATINGS
Rating Peak Power Dissipation (Note 1) @ TL = 25°C, Pulse Width = 1 ms DC Power Dissipation @ TL = 75°C Measured Zero Lead Length (Note 2) Derate Above 75°C Thermal Resistance from Junction to Lead DC Power Dissipation (Note 3) @ TA = 25°C Derate Above 25°C Thermal Resistance from Junction to Ambient Forward Surge Current (Note 4) @ TA = 25°C Symbol PPK PD Value 400 1.5 20 50 0.5 4.0 250 40 Unit W W mW/°C °C/W W mW/°C °C/W A °C

Rq J L PD Rq J A IFSM

Operating and Storage Temperature Range TJ, Tstg ­65 to +150 1. 10 X 1000 ms, non­repetitive 2. 1 square copper pad, FR­4 board 3. FR­4 board, using ON Semiconductor minimum recommended footprint, as shown in 403B case outline dimensions spec. 4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.

I IF

ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted, VF = 3.5 V Max. @ IF = 30 A for all types) (Note 5) Symbol IPP Parameter Maximum Reverse Peak Pulse Current Clamping Voltage @ IPP Working Peak Reverse Voltage Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT Test Current Forward Current Forward Voltage @ IF

VC VBR VRWM IR VF IT

VC V VRWM IR VBR IPP IT IF VF

Uni­Directional TVS
5. 1/2 sine wave or equivalent, PW = 8.3 ms, non­repetitive duty cycle.

http://onsemi.com
2

1SMA5.0AT3 Series
ELECTRICAL CHARACTERISTICS
VRWM (Note 6) Volts 5.0 6.0 6.5 7.0 7.5 8.0 8.5 9.0 10 11 12 13 14 15 16 17 18 20 22 24 26 28 30 33 36 40 43 45 48 51 54 58 Breakdown Voltage IR @ VRWM µA 400 400 250 250 50 25 5.0 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 VBR (Volts) (Note 7) Min 6.4 6.67 7.22 7.78 8.33 8.89 9.44 10 11.1 12.2 13.3 14.4 15.6 16.7 17.8 18.9 20 22.2 24.4 26.7 28.9 31.1 33.3 36.7 40 44.4 47.8 50 53.3 56.7 60 64.4 Nom 6.7 7.02 7.6 8.19 8.77 9.36 9.92 10.55 11.7 12.85 14.0 15.15 16.4 17.6 18.75 19.9 21.05 23.35 25.65 28.1 30.4 32.75 35.05 38.65 42.1 46.75 50.3 52.65 56.1 59.7 63.15 67.8 Max 7.0 7.37 7.98 8.6 9.21 9.83 10.4 11.1 12.3 13.5 14.7 15.9 17.2 18.5 19.7 20.9 22.1 24.5 26.9 29.5 31.9 34.4 36.8 40.6 44.2 49.1 52.8 55.3 58.9 62.7 66.3 71.5 @ IT mA 10 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 VC @ IPP (Note 8) VC Volts 9.2 10.3 11.2 12.0 12.9 13.6 14.4 15.4 17.0 18.2 19.9 21.5 23.2 24.4 26.0 27.6 29.2 32.4 35.5 38.9 42.1 45.4 48.4 53.3 58.1 64.5 69.4 72.2 77.4 82.4 87.1 93.6 IPP Amps 43.5 38.8 35.7 33.3 31.0 29.4 27.8 26.0 23.5 22.0 20.1 18.6 17.2 16.4 15.4 14.5 13.7 12.3 11.3 10.3 9.5 8.8 8.3 7.5 6.9 6.2 5.8 5.5 5.2 4.9 4.6 4.3

Device 1SMA5.0AT3 1SMA6.0AT3 1SMA6.5AT3 1SMA7.0AT3 1SMA7.5AT3 1SMA8.0AT3 1SMA8.5AT3 1SMA9.0AT3 1SMA10AT3 1SMA11AT3 1SMA12AT3 1SMA13AT3 1SMA14AT3 1SMA15AT3 1SMA16AT3 1SMA17AT3 1SMA18AT3 1SMA20AT3 1SMA22AT3 1SMA24AT3 1SMA26AT3 1SMA28AT3 1SMA30AT3 1SMA33AT3 1SMA36AT3 1SMA40AT3 1SMA43AT3 1SMA45AT3 1SMA48AT3 1SMA51AT3 1SMA54AT3 1SMA58AT3

Device Marking QE QG QK QM QP QR QT QV QX QZ RE RG RK RM RP RR RT RV RX RZ SE SG SK SM SP SR ST SV SX SZ TE TG

1SMA60AT3 TK 60 2.5 66.7 70.2 73.7 1 96.8 4.1 1SMA64AT3 TM 64 2.5 71.1 74.85 78.6 1 103 3.9 1SMA70AT3 TP 70 2.5 77.8 81.9 86.0 1 113 3.5 1SMA75AT3 TR 75 2.5 83.3 87.7 92.1 1 121 3.3 1SMA78AT3 TS 78 2.5 86.7 91.25 95.8 1 126 3.2 6. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than the DC or continuous peak operating voltage level 7. VBR measured at pulse test current IT at an ambient temperature of 25°C 8. Surge current waveform per Figure 2 and derate per Figure 3

http://onsemi.com
3

1SMA5.0AT3 Series
RATING AND TYPICAL CHARACTERISTIC CURVES
100 Ippm, PEAK PULSE CURRENT (%) NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2. TA = 25°C 120 10 µs 100 80 60 40 20 0 0 td 1 2 3 t, TIME (ms) 4 5 PEAK VALUE Ippm

Ppk , PEAK POWER (kW)

10

TA = 25°C PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF Ipp.

HALF VALUE - Ipp/2 10/1000 µs WAVEFORM AS DEFINED BY R.E.A.

1

0.1

10-4

0.001

0.01 0.1 tP, PULSE WIDTH (ms)

1

10

Figure 1. Pulse Rating Curve

Figure 2. Pulse Waveform

120 PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT 100 80 60 40 20 0 10 x 1000 WAVEFORM AS DEFINED BY R.E.A.

10,000 MEASURED AT ZERO BIAS TJ = 25°C f = 1 MHz Vsig = 50 mVp-p

C, CAPACITANCE (pF)

1,000

100

MEASURED AT STAND-OFF VOLTAGE, VWM

0

40

80 120 160 TA, AMBIENT TEMPERATURE (°C)

200

10

1

2

5 10 20 50 V(BR), BREAKDOWN VOLTAGE (VOLTS)

100 200

Figure 3. Pulse Derating Curve

Figure 4. Typical Junction Capacitance

PD , MAXIMUM POWER DISSIPATION (WATTS)

6 5 4 3 2 1 0 0 @ TA = 25°C PD = 0.5 W 25 50 75 100 T, TEMPERATURE (°C) 125 150 @ TL = 75°C PD = 1.5 W

Figure 5. Steady State Power Derating

http://onsemi.com
4

1SMA5.0AT3 Series

Transient Voltage Suppressors ­ Surface Mounted
400 Watt Peak Power
SMA CASE 403D­02 ISSUE A
S A
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. 403D-01 OBSOLETE, NEW STANDARD IS 403D-02. DIM A B C D H J K S INCHES MIN MAX 0.160 0.180 0.090 0.115 0.075 0.095 0.050 0.064 0.002 0.006 0.006 0.016 0.030 0.060 0.190 0.220 MILLIMETERS MIN MAX 4.06 4.57 2.29 2.92 1.91 2.41 1.27 1.63 0.05 0.15 0.15 0.41 0.76 1.52 4.83 5.59

D

B

POLARITY INDICATOR OPTIONAL AS NEEDED

C

K

J

H

0.157 4.0

0.0787 2.0

0.0787 2.0

inches mm

SMA FOOTPRINT

http://onsemi.com
5